# Four poplars

Four poplars are growing along the way. The distances between them are 35 m, 14 m, and 91 m. At least how many poplars need to be dropped to create the same spacing between the trees? How many meters will it be?

## Correct answer:

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Do you want to calculate the greatest common divisor of two or more numbers?

Do you want to convert length units?

Do you want to perform natural numbers division - find the quotient and remainder?

#### You need to know the following knowledge to solve this word math problem:

**algebra**- prime numbers
- divisibility
- least common multiple (LCM)
- greatest common divisor (GCD)
**arithmetic**- division
**basic functions**- reason
**numbers**- natural numbers

#### Units of physical quantities:

#### Grade of the word problem:

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